Thrust-bearing for internal-combustion engines



C. C. FULLER.

- THRUST BEARING FOR IN ERNAL COMBUSTION ENGINES.

APPLICATIVON HLE'D JULY 14,1920.

1,395,043. Patented Oct. 25, 1921.

WITNESS.- (K J INVENTOR.

ATTORNEYS,

um'rso s'ra CLdREHGE C. FULLER, GE LGXLEY, ALABAMA. ASSIGNOR F ENE-FEET TO FULLER, DIME-FIFTH TO FEED C. GRIFFIN, ONE-FIFTH TO EDW'ARD L. Him-14S, 4 .1KB GEE-FIFTH WIZLIAM '3'. FREDERICK, ALL G LOXLEY, ALABAMA.

THRUST-BEARIJG FOR INTERNAI-COIECEBUSTIOI? ENGINES. v

1 395 943, Specification of Letters Patent. Pggilggi gqi 2 Application filed July 14, E20. Serial Ho. 396,224.

To allwiiom rtmm concern: cine casing and in. nart in tne forward Wall Be it known that I, (,LsnnNcE C. FULLER, 18 or the crank casing. ine closing plate is a citizen of the United States, residing: at secured to the engine casing" proper hv w n L. j

Loxlev. in the count of Baldwin and tvtate means or a rc ulauon bolt 19 and a ca) w y c i i of Alabama, have invented certain new and screw 20, the latter oi Wliicn is special to useful Improvements in Thrust-Bearings Ior present construction, and its lower er Internal-Combustion Engines, of which the abuts against the upp edge of the forwar following is a specification. Wall or the crank casing, as indicated in The thrust bearing of this invent-ion is de 2. In front or the c losing" plate 1? is lo- 1 signed with particular reference to the cated a fan pulley 21 which is mounted on 5,313 ments com rised in the ma neto structure thereof is not deemed neccssarv.

p g a structural requirements of a Ford engine the shaft 12, which fan pulley is recessed at and with a View to the application of the its forward face 21 and is provided with a bearing to the forward end of the crank hub 22 secured to the shaft by means of a shaft Without disassembling the engine or short cross pin 22. A second pin 23 at right 15 disturbing the relation of any of its operatangles to the first to aiior engagegpartg ment for the ratche' i. of the crank 7 1n the construction of a Ford engine it is 25 by which the e started. The the practice to utilize the fly Wheel of the above details are all 1 in the present. engine as a mounting for certain of the ele- Ford engine and 2M (litional cesc-riptiou sta which rotating elements are presented in In order to pro ide against any end 7 face-Wise relation to the complementary stathrust which might disturb the relation of tionar z' elements or the magneto structure, the magneto elements and also interfere with the relation being such that any appreciable the smooth operation oi the engine, a hour 25 end play in the crank shaft will result in a ingz plate provided which is positioned displacement of the magneto elements to a in place onthe shaft 12 by removirdegree which may seriously impair the oppulley 21. The plate is prefix-ably, eration of the magneto. it is thus apparent not necessarily. of generally circular formathat in an engine of this character it is of tion, and is provided on its upper side .vitl

primary importance to make provision an upstanding ear-2? through which the speend thrust, and said invention is decial cap screw 20 entered into the regulaal gned to accomplish the above purpose. tion hole in the front plate 17 of the crank in the drawings: case, and this bolt, in ('0' junction with a sec Figure I is a side elevation of a Ford on 0nd bolt or screw serves to securely 35 he showing the crank case partially broken fasten the plate in the intended position,

.may, and showing the thrust hearing of the arrangement beingone which permits the present invention located in interposed the use of shims or like between the plate relation between the fan pulley and the forand the front of the crank case when newsn'ard end of the engine easing; sary to maintain the shaft in its proper po- Fig. 2 is a front View of the hearing plate; sition. and The plate on its forward face provided Fig. 3 is a sectional elevation thereof With a r :ess 29 concentrically formed *ith showing its relation to the fan pulley and respect to the aperture 31'; through which the associated parts. 4 crank shaft 12 projects. which recess coop- 5 The Ford engine for Which the thrust crates with a similarly formed recess 31 on hearing is intended comprises a cylinder the inner oi the fan pulley The two 360 block 10 and a crank case 11, Within which is recesses jointly furnish sockets tor the relocatedacrank shaft 12. The crank shaftnear ception of inner and outerheariug rin 1 its rear end has mounted thereon fly Wheel and respectively which ahord a run if; carrying rotating magnets 14- Which are for the reception oi balls 34, thereby affordpresen ed in face-Wise relation to a stationing a ball thrust l)S iXlIi,Q'V/'l1lCll prevents end ary field 15. The crank shaft, at its forward play in the shaft, and particularly prevents end, passes through a hearing 16 formed in the magneto elements fromhcmgmovedfrom 7 art in the front closing plate 17 of the entheir intended positions definitely spaced relationship to one anoher. It will in all cases be found necessary to utilize a pulley specially formed and positioned to provide for the interposition of the thrust hearing, but aside from the substitution of a specially formed pulley no change or modification in the engine structure will be required to adapt the same to the requirements of the present invention.

The invention is one which may be employed as an adjunct or accessory, in that its utilization requires no material disassembling or rearranging of the engine structure and may be readily and quickly secured in place in a position which is easy of access, which features are of material importance in devices of the accessory class.

I claim:

1. In a device of the class described, the combination of an engine casin a crank shaft having its forward end protruding through the engine casing, a fan pulley edly mounted upon the protruding end of the crank shaft and circularly recessed on its rear face, a thrust bearing plate interposed between the fan pulley and the contiguous forward end of the engine *asing and rigidly secured to the latter in a manner to permit variations of the bearing" plate with respect to the engine easing, said plate being provided in its forward face with a re cess cooperating with the recess in the fan pulley, and ball bearing members housed within said recesses, substantially as described.

:2. In a device of the class described, the combination of an engine casing, a crank shaft having its forward end protruding through the engine casing, a fan pulley fixedly mounted upon the protruding end of the crank shaft and circularly recessed on its rear face, a thrust bearing plate interposed between the fan pulley and the contiguous forward end of the engine casing and rigidly secured to the latter in a manner to permit variations of the bearing plate with respect to the engine casing, said plate being provided in its forward face with a recess cooperating with the recess in the fan pulley, ball bearing members'housed within said recesses, and a magneto consisting in part of elements rotating with the crank shaft and in partof elements held in fixed relation and in face-wise proximity to said rotating elements, substantially as described. 3. In a device of the class described, the combination of an engine casing, a crank shaft having its forward end protruding through the engine casing, a fan pulley mounted upon the protruding end of the crank shaft. a thrust bearing plate interposed between the fan pulley and the contiguous forward end of the engine casing, said plate being secured by a lower bolt and an upper *ap screw in a manner adapted to permit Xfll'ltltlOllS in the positioning of the bearing plate with respect to the engine casing, ball bearing members interposed between the fan pulley and the thrust hearing plate, and a magneto consisting in part of elcments rotating with the crank shaft and in part --of elements held in fixed relation to said rotating elements, substantially as described.

CLAREUCE C. FULLER. 

